<div id="menu-left">
    <h2>Điện hoa</h2>
    <ul>
        <? foreach ($menu_left as $row): ?>
            <li><a href="<? echo site_url('product/danh_muc/' . $row->PID) ?>"><?= $row->PName ?></a></li>
        <? endforeach; ?>
    </ul>
</div>